This chapter introduces the gallium anomaly, a discrepancy in the results of a Soviet experiment conducted in the Caucasus Mountains. It explores the experiment's setup and the ongoing efforts to find an explanation for the shortfall of germanium atoms.
Physicists have ruled out a mundane explanation for the strange findings of an old Soviet experiment, leaving open the possibility that the results point to a new fundamental particle. The post What Could Explain the Gallium Anomaly?) first appeared on Quanta Magazine)